Doi Phu Kha National Park (Thai: อุทยานแห่งชาติดอยภูคา) covers a part of 8 districts in the Luang Prabang Range, Nan Province, Northern Thailand and has rich natural resources. It is Northern Thailand's largest National park and rivers such as Nan River and , have their sources within the area of the range under the protection of the park limits. Khun Nan National Park is located north of the park area.